CN213079736U - Automatic forming device for sheet metal parts of power supply box - Google Patents

Abstract

The utility model discloses an automatic forming device for sheet metal parts of a power supply box, which is characterized by comprising a frame, wherein a feeding end and a discharging end are arranged on the frame; the sheet metal part bending machine is characterized in that a first stamping module used for blanking a sheet metal part, a second stamping module used for performing first bending processing on the sheet metal part and a third stamping module used for performing second bending processing and riveting processing on the sheet metal part are sequentially arranged between the feed end and the discharge end on the rack. The device can carry out blanking, bending and riveting to the sheet metal component, full automation mechanized operation has that production efficiency is high, practice thrift manual work and equipment cost, and advantage such as saving equipment land used.

Description

Automatic forming device for sheet metal parts of power supply box

Technical Field

The utility model relates to a riveting set technical field specifically, relates to a power pack sheet metal component automatic molding device.

Background

Sheet metal is a comprehensive cold working process for sheet metal (generally below 6 mm), including shearing, punching/cutting/compounding, folding, welding, riveting, splicing, forming (such as automobile bodies) and the like, and the product processed by the sheet metal process is called sheet metal part. Sheet metal parts in different industries are generally different and are mostly used for the name of assembly timing.

At present, the production of the sheet metal part of the power supply box can be generally finished by three processes of blanking, bending, riveting and the like.

The existing production mode is operated in a manual mode, punching equipment or a die is used for punching, punching and other processing on a sheet metal part, the sheet metal part is transferred to a bending equipment die to bend the punched sheet metal part after a punching process is finished, and the sheet metal part is transferred to riveting equipment to manually rivet the workpiece after the bending process is finished.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a power pack sheet metal component automatic molding device, the device can carry out blanking, bending and riveting to the sheet metal component, and full automatization operation has that production efficiency is high, practice thrift manual work and equipment cost, and advantages such as saving equipment land used.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an automatic forming device for sheet metal parts of a power supply box particularly comprises a rack, wherein a feeding end and a discharging end are arranged on the rack; a first stamping module used for blanking the sheet metal part, a second stamping module used for performing first bending processing on the sheet metal part and a third stamping module used for performing second bending processing and riveting processing on the sheet metal part are sequentially arranged between the feed end and the discharge end on the rack.

Preferably, a conveying device for driving the sheet metal part to be conveyed through the first stamping module, the second stamping module and the third stamping module along the direction from the feeding end to the discharging end is arranged beside the rack.

Preferably, the frame comprises a male template, a female template and a stamping driving device for driving the male template and the female template to perform reciprocating stamping movement in a processing and matching manner; the first stamping module comprises a first upper die holder arranged on the male die plate and a first lower die holder arranged on the female die plate and matched with the first upper die holder in a machining mode; the second stamping module comprises a second upper die holder arranged on the male die plate and a second lower die holder arranged on the female die plate and matched with the second upper die holder in a machining mode; the third stamping module comprises a third upper die holder arranged on the male die plate and a third lower die holder arranged on the female die plate and matched with the third upper die holder in a machining mode; the stamping driving device synchronously drives the first upper die holder, the second upper die holder and the third upper die holder to correspondingly match the first lower die holder, the second lower die holder and the third lower die holder to perform reciprocating stamping motion.

Preferably, the first stamping module further comprises a first male die arranged on the first upper die base and a first female die arranged on the first lower die base and matched with the first male die in a blanking process; the first male die comprises a plurality of stamping parts arranged towards the first female die in a protruding mode along the vertical direction, and the first female die comprises a plurality of concave parts matched with the stamping parts in a stamping mode along the stamping direction of the stamping parts.

Preferably, the second stamping module further comprises a second female die arranged on the second upper die base and a second male die arranged on the second lower die base and matched with the second female die in a first bending treatment; the second female die comprises two groups of first bending parts which are arranged towards the second lower die holder in a protruding mode in the vertical direction, a first concave cavity is formed between the two groups of first bending parts, and the second male die comprises a first protruding seat which is arranged in a protruding mode in the vertical direction corresponding to the position of the first concave cavity and matched with the second female die in a machining mode to achieve first bending processing.

Preferably, the side wall of the first protruding seat and the first bending part which are matched in a bending mode is provided with a clearance groove, the clearance groove is provided with a first oblique groove position which is upward and far away from the side wall, a first oblique top avoiding mechanism for avoiding sheet metal part returned materials is arranged in the clearance groove at the first oblique groove position, and the first oblique top avoiding mechanism comprises a first oblique top avoiding lug which is connected with the first protruding seat in a sliding mode and protrudes out of the end face of the first protruding seat and a first elastic device which is arranged at the bottom of the clearance groove and applies stamping reset resilience force to the first oblique top avoiding lug towards the direction of the second female die; the stamping driving device drives the second upper die base to correspondingly cooperate with the second lower die base to do reciprocating stamping motion to link the first inclined top avoiding lug to do reciprocating inclined linear motion relative to the first bulge base at the first inclined slot position.

Preferably, the third stamping module further comprises a third female die arranged on the third upper die base and a third male die arranged on the third lower die base and matched with the third female die in a second bending treatment; the third female die comprises two groups of second bending parts which are arranged towards the third lower die holder in a protruding mode in the vertical direction, a second concave cavity is formed between the two groups of second bending parts, and the third male die comprises a second convex seat which is arranged in a protruding mode in the vertical direction corresponding to the position of the second concave cavity and matched with the third female die in a machining mode to achieve bending processing of two sides of the sheet metal part.

Preferably, the second bulge seat comprises a base arranged on the third lower die seat and a second inclined top avoiding mechanism arranged on the base and used for second bending treatment and material returning avoiding of the sheet metal part; a second inclined groove which is upward and far away from the side wall direction is arranged on the base and is adjacent to the side wall which is matched with the second bending part in a bending way, and the second inclined top avoiding mechanism comprises a second inclined top avoiding lug which is connected with the second inclined groove in a sliding way and is protruded on the end surface of the second bulge seat and a second elastic device which is arranged on the third lower die seat and applies stamping reset resilience force to the second inclined top avoiding lug towards the direction of the third female die; the stamping driving device drives the third upper die base to correspondingly cooperate with the third lower die base to do reciprocating stamping motion to link the second inclined top avoiding lug to do reciprocating inclined linear motion relative to the second bulge base at the second inclined slot position.

Preferably, the third stamping module further comprises a riveting mechanism arranged on the third lower die holder and used for performing riveting treatment after the second bending treatment of the sheet metal part, and a riveting stamping mechanism arranged on the third upper die holder and used for driving the riveting mechanism to perform reciprocating riveting movement; the riveting mechanism comprises a riveting punch which is arranged at the side of the second protruding seat and corresponds to the second inclined top avoiding lug, and a riveting top which is arranged on the second inclined top avoiding lug and forms punching riveting matching with the riveting punch, wherein one end of the riveting punch, which is back to the riveting top, is connected with a riveting sliding punch block, and the riveting sliding punch block is also connected with a third elastic device which is arranged on a third lower die seat and applies punching resetting resilience force towards the direction of the riveting sliding punch block away from the base; the riveting stamping mechanism comprises riveting stamping blocks fixedly arranged towards the riveting sliding stamping block along the vertical direction; the punching driving device drives the third upper die base to correspondingly match with the third lower die base to do reciprocating punching motion to drive the riveting punching block and the third female die to respectively link the riveting sliding punching block and the second inclined top avoiding bump to enable the riveting punch and the riveting top to do reciprocating riveting motion matched with each other.

Preferably, a sheet metal part positioning and material guiding needle which is arranged towards the female die plate in a protruding mode in the vertical direction is arranged between the second upper die base and the third upper die base on the male die plate.

The utility model discloses the implementation provides effective effect:

1. the automatic forming device for the sheet metal part of the power box can automatically and continuously perform punching, first bending, second bending and riveting processing and stamping processes, is high in machining efficiency, and effectively improves production efficiency.

2. According to the automatic forming device for the sheet metal part of the power box, three processes of blanking, first bending treatment, second bending treatment and riveting treatment can be automatically completed, manual operation can be reduced, and therefore labor cost can be reduced.

3. According to the automatic forming device for the sheet metal part of the power box, the three stamping modules are arranged on the device, so that the processes of stamping, bending, riveting and the like can be met, multiple devices are not needed, the number of enterprise devices is effectively reduced, and the device cost and the device land are saved.

Drawings

Fig. 1 is a schematic structural view of an automatic forming device for a sheet metal part of a power supply box according to an embodiment of the present invention;

FIG. 2 is a schematic view of FIG. 1 at 4;

FIG. 3 is a schematic view of the structure of FIG. 2 in different states;

FIG. 4 is a schematic view of FIG. 1, showing structure 5;

FIG. 5 is a schematic view of the structure of FIG. 4 in different states;

FIG. 6 is a schematic top view of the first bump seat;

FIG. 7 is a schematic top view of FIG. 1 at 6;

FIG. 8 is a schematic view of the structure of plane E-E in FIG. 7;

FIG. 9 is an enlarged partial view of G in FIG. 8;

FIG. 10 is a schematic view of the different state structure of FIG. 8;

FIG. 11 is a schematic view of the structure of the F-F surface in FIG. 7;

FIG. 12 is a schematic view of the structure of FIG. 11 in different states;

FIG. 13 is a schematic top view of the second bump seat;

FIG. 14 is a schematic view of the state of the sheet metal part material processing procedure;

fig. 15 is a schematic structural diagram of a finished power supply box sheet metal part.

Description of reference numerals:

a frame 1; a feed end 2; a discharge end 3; a first stamping module 4; a second stamping module 5; a third stamping module 6; a conveying device 7; a male template 8; a master template 9; a first upper die holder 11; a first lower die holder 12; a second upper die holder 13; a second lower die bed 14; a third upper die holder 15; a third lower die bed 16; a first male die 17; a first female die 18; a punching part 19; an inner concave portion 20; a second female die 21; a second male die 22; a first bent portion 23; a first cavity 24; a first boss base 25; a clearance groove 26; a first slanted slot 27; a first pitched roof avoidance mechanism 28; a first pitched roof avoiding bump 29; a first elastic means 30; a third concave die 31; a third punch 32; a second bent portion 33; a second cavity 34; a second boss 35; a base 36; a second pitched roof avoiding mechanism 37; a second angled slot position 38; a second pitched roof avoiding bump 39; a second elastic means 40; a riveting mechanism 41; the riveting and punching mechanism 42; a riveting punch 43; a riveting plug 44; riveting the sliding punch block 45; a third elastic means 46; riveting the punch 47; positioning a material guide needle 48; blanking the sheet metal part 49; bending the sheet metal part 50; forming a power box sheet metal part 51; finished power box sheet metal part 52; the rivet point schematic position 53; a riveted joint 54; a first bending surface A; a second bending surface B; a third bending surface C; and a fourth bending plane D.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

As shown in fig. 1-15, an automatic forming device for sheet metal parts of a power supply box comprises a frame 1, wherein a feeding end 2 and a discharging end 3 are arranged on the frame 1; a first stamping module 4 used for blanking the sheet metal part, a second stamping module 5 used for performing first bending processing on the sheet metal part and a third stamping module 6 used for performing second bending processing and riveting processing on the sheet metal part are sequentially arranged between the feed end 2 and the discharge end 3 on the rack 1.

A conveying device 7 for driving the sheet metal part to be conveyed through the first stamping module 4, the second stamping module 5 and the third stamping module 6 along the direction from the feeding end 2 to the discharging end 3 is arranged beside the frame 1. The conveying device 7 comprises a conveying platform for installing raw materials, a feeding guide mechanism and a material returning mechanism which are arranged on the frame 1, and a conveying driving device for driving the raw materials to be conveyed step by step from the feeding end 2 to the discharging end 3. In the prior art application, the conveying table can be arranged by using a machine table and a scroll, the feeding guide mechanism can be arranged by using a guide pulley, a spring and a spring guide pillar, the material returning mechanism can be arranged by using a material returning back plate, a floating plate, a spring and a spring guide pillar, and the conveying driving device can be arranged by using a stepping motor.

The working principle of the utility model is as follows: the automatic forming device is provided with three stamping modules with different working procedures matched between a feeding end 2 and a discharging end 3, a conveying device 7 drives sheet metal part raw materials to be conveyed through a first stamping module 4, a second stamping module 5 and a third stamping module 6 along the direction from the feeding end 2 to the discharging end 3, and the three stamping modules sequentially stamp and complete a plurality of working procedures to automatically process the sheet metal part 52 of the sheet raw materials into a finished product power supply box; the first stamping module 4 is used for a blanking processing procedure, and the procedures of punching, notching and the like can be carried out through the first stamping module 4, so that the plate is processed into a plate-shaped blanking sheet metal part 49 capable of forming a finished product power supply box sheet metal part 52; the second stamping module 5 is used for a first bending processing procedure, and bending processing in a first direction is performed through the second stamping module 5 to obtain a bent sheet metal part 50; the third stamping module 6 is used for a second bending process and riveting process, the process firstly carries out bending process in a second direction on the bent sheet metal part 50, the bent sheet metal part 50 is processed through the second bending process to obtain a formed power supply box sheet metal part 51, and riveting process is carried out on the formed power supply box sheet metal part 51 after the second bending process is completed, so that structural fixation is realized, and a finished product power supply box sheet metal part 52 is obtained. The automatic forming device can automatically realize the processing of the blanking, bending and riveting processes of the finished product power supply box sheet metal part 52, is fully automatically operated, and has high automation degree.

Specifically, the frame 1 comprises a male template 8, a female template 9 and a stamping driving device for driving the male template 8 and the female template 9 to perform reciprocating stamping movement in a processing and matching manner; the first stamping module 4 comprises a first upper die holder 11 arranged on the male die plate 8 and a first lower die holder 12 arranged on the female die plate 9 and matched with the first upper die holder 11 in a machining mode; the second stamping module 5 comprises a second upper die holder 13 arranged on the male die plate 8 and a second lower die holder 14 arranged on the female die plate 9 and matched with the second upper die holder 13 in a machining mode; the third stamping module 6 comprises a third upper die holder 15 arranged on the male die plate 8 and a third lower die holder 16 arranged on the female die plate 9 and matched with the third upper die holder 15 in a machining mode; the punching driving device synchronously drives the first upper die holder 11, the second upper die holder 13 and the third upper die holder 15 to correspondingly match the first lower die holder 12, the second lower die holder 14 and the third lower die holder 16 to perform reciprocating punching movement. Through setting up first punching press module 4, second punching press module 5, third punching press module 6 on same core board 8, make punching press motion by punching press drive arrangement drive core board 8 just can realize blanking processing, first processing of bending, second processing of bending and riveting processing process simultaneously, production efficiency is high and practice thrift equipment land used. In the application of the prior art, a guide sleeve and a spring can be arranged on the female die plate 9, and a guide structure for realizing stamping can be arranged on the male die plate 8 in a matched manner.

The first stamping module 4 further comprises a first male die 17 arranged on the first upper die holder 11 and a first female die 18 arranged on the first lower die holder 12 and matched with the first male die 17 in a blanking process; the first male die 17 comprises six stamping parts 19 which are arranged in a protruding mode towards the first female die 18 along the vertical direction, and the first female die 18 comprises six inner concave parts 20 which are formed and matched with the stamping parts 19 in a stamping mode along the stamping direction of the stamping parts 19. The punching part 19 and the concave part 20 are matched for processing, so that the blanking processing of the sheet metal part is realized, and the first punching module 4 can be provided with blanking processing parts with different quantities and shapes according to the production requirement so as to meet different processing requirements; in the prior art, the punching part 19 can be provided with a structure of a thimble and a top head to perform the punching and notching processes.

The second stamping module 5 further comprises a second female die 21 arranged on the second upper die holder 13 and a second male die 22 arranged on the second lower die holder 14 and matched with the second female die 21 in a first bending process; the second female die 21 comprises two groups of first bending parts 23 which are arranged towards the second lower die holder 14 in a protruding mode in the vertical direction, a first concave cavity 24 is formed between the two groups of first bending parts 23, and the second male die 22 comprises a first convex seat 25 which is arranged in a protruding mode in the vertical direction corresponding to the position of the first concave cavity 24 and matched with the second female die 21 in a machining mode to achieve first bending processing. Through the arrangement of the second female die 21 and the second male die 22 for stamping and buckling processing, the deformation change of the blanking sheet metal part 49 in the first direction is formed by the first bending part 23, so that the first bending processing is realized, and the bent sheet metal part 50 is obtained.

The side wall of the first convex seat 25 and the first bending part 23 which are matched in a bending mode is provided with two groups of clearance grooves 26, the clearance grooves 26 are provided with first oblique groove positions 27 which are far away from the side wall upwards, two groups of first oblique top avoiding mechanisms 28 used for sheet metal part returning and avoiding are arranged in the first oblique groove positions 27 in the two groups of clearance grooves 26, each first oblique top avoiding mechanism 28 comprises a first oblique top avoiding lug 29 which is connected with the first convex seat 25 in a sliding mode and is protruded from the end face of the first convex seat 25, and a first elastic device 30 which is arranged at the bottom of the clearance grooves 26 and applies stamping reset resilience force to the first oblique top avoiding lug 29 towards the direction of the second female die 21; the punching driving device drives the second upper die holder 13 to correspondingly cooperate with the second lower die holder 14 to perform reciprocating punching motion to link the first inclined ejection avoiding bump 29 to perform reciprocating inclined linear motion relative to the first bulge seat 25 at the first inclined slot position 27.

Raw and other materials can be processed on blanking sheet metal component 49 because of the processing needs in blanking process processing and have the unevenness through-hole of evagination or concave type, when sheet metal component carries out first bending processing, can avoid unevenness through-hole and first protruding seat 25 to bump and cause the deformation through the clearance groove 26 that keeps away who sets up.

When the second upper die holder 13 is correspondingly matched with the second lower die holder 14 for pressing, the second female die 21 arranged on the second upper die holder 13 presses the first inclined ejection avoiding bump 29 downwards to enable the first inclined ejection avoiding bump 29 to slide along the first inclined slot 27 in an inclined straight line and slide to the lowest end of the first inclined slot 27, and when the second upper die holder 13 is reset, the first inclined ejection avoiding bump 29 resets to slide along the first inclined slot 27 in an inclined straight line to be protruded on the end surface of the first protruding seat 25. The first oblique top avoiding lug 29 can be matched with the first bending part 23 to complete bending of the blanking sheet metal part 49 during bending, the first oblique top avoiding lug 29 can provide partial force for jacking the bent sheet metal part 50 during material returning, and meanwhile, displacement of oblique avoiding can occur in the process of jacking the bent sheet metal part 50 through the first oblique top avoiding lug 29, so that an avoiding space is provided for vertical rising material returning of uneven through holes, and blocking and material returning can be avoided.

The arrangement of the first oblique slot position 27 and the first oblique top avoiding lug 29 can ensure that the production requirement of material returning and avoiding can be met under the condition that the overall structure of the second stamping module 5 is simple. In the prior art, the first slanted slot 27 and the first slanted ejecting avoiding bump 29 may be disposed by a dovetail joint structure, and the first elastic device 30 may be disposed by a spring and a guide post structure.

The third stamping module 6 further comprises a third female die 31 arranged on the third upper die holder 15 and a third male die 32 arranged on the third lower die holder 16 and matched with the third female die 31 in a second bending treatment; the third female die 31 comprises two groups of second bending parts 33 which are arranged towards the third lower die holder 16 in a protruding mode in the vertical direction, a second concave cavity 34 is formed between the two groups of second bending parts 33, and the third male die 32 comprises a second convex seat 35 which is arranged in a protruding mode in the vertical direction corresponding to the position of the second concave cavity 34 and is matched with the third female die 31 in a machining mode to achieve bending processing of two sides of the sheet metal part. Through setting up third die 31 and third terrace die 32 and do the punching press lock processing, utilize the second portion of bending 33 to form the deformation change of bending sheet metal component 50 second direction to realize the second and bend the processing and obtain shaping power pack sheet metal component 51.

The second convex seat 35 comprises a base 36 arranged on the third lower die seat 16 and four groups of second inclined top avoidance mechanisms 37 arranged on the base 36 and used for second bending treatment and material returning avoidance of the sheet metal part; four groups of second oblique groove positions 38 which are upward and far away from the side wall direction are arranged on the base 36 and adjacent to the side wall which is in bending fit with the second bending part 33, and the second oblique jacking avoiding mechanism 37 comprises a second oblique jacking avoiding lug 39 which is connected with the second oblique groove position 38 in a sliding way and is arranged on the end face of the second bulge seat 35 in a protruding way and a second elastic device 40 which is arranged on the third lower die seat 16 and applies stamping resetting resilience force to the second oblique jacking avoiding lug 39 towards the direction of the third female die 31; the punching driving device drives the third upper die holder 15 to correspondingly cooperate with the third lower die holder 16 to perform reciprocating punching motion to link the second inclined ejection avoiding bump 39 to perform reciprocating inclined linear motion relative to the second bulge seat 35 at the second inclined slot position 38.

When the third upper die holder 15 is correspondingly matched with the third lower die holder 16 for pressing, the third female die 31 arranged on the third upper die holder 15 presses the second inclined ejection avoiding lug 39 downwards to enable the second inclined ejection avoiding lug 39 to slide along the second inclined slot position 38 in an inclined straight line and slide to the lowest end of the second inclined slot position 38, and when the third upper die holder 15 is reset, the second inclined ejection avoiding lug 39 resets and slides along the second inclined slot position 38 in an inclined straight line to be protruded on the end surface of the second convex seat 35. In the prior art, the second slanted slot 38 and the second slanted ejecting avoiding bump 39 can be arranged by a dovetail joint structure, and the second elastic device 40 can be arranged by a spring and a directional guide post structure.

The third stamping module 6 further comprises four riveting mechanisms 41 arranged on the third lower die holder 16 and used for performing riveting treatment after the sheet metal part is subjected to second bending treatment, and four riveting stamping mechanisms 42 arranged on the third upper die holder 15 and used for driving the riveting mechanisms 41 to perform reciprocating riveting movement; the riveting mechanism 41 comprises a riveting punch 43 which is arranged at the side of the second convex seat 35 and corresponds to the second inclined top avoiding bump 39 and a riveting top 44 which is arranged on the second inclined top avoiding bump 39 and forms punching riveting fit with the riveting punch 43, one end of the riveting punch 43, which is back to the riveting top 44, is connected with a riveting sliding punch 45, and the riveting sliding punch 45 is also connected with a third elastic device 46 which is arranged on the third lower die seat 16 and applies punching reset resilience force towards the direction of the riveting sliding punch 45 away from the base 36; the riveting punch mechanism 42 includes a riveting punch 47 fixedly disposed toward the riveting slide punch 45 in the vertical direction; the punching driving device drives the third upper die holder 15 to correspondingly cooperate with the third lower die holder 16 to do reciprocating punching motion to drive the riveting punching block 47 and the third female die 31 to respectively link the riveting sliding punching block 45 and the second inclined top avoiding bump 39 so that the riveting punching head 43 and the riveting top head 44 do reciprocating riveting motion which is mutually matched.

In the present embodiment, as shown in fig. 14 to 15, the second stamping module 5 and the third stamping module 6 sequentially bend the first bending surface a/the second bending surface B/the third bending surface C/the fourth bending surface D of the four surfaces of the stamping part 49 during the processing to form the power box stamping part 51. The first bending treatment is to bend the first bending surface A, the second bending surface B, the third bending surface C and the fourth bending surface D in a first direction; the second bending processing is used for bending the third bending surface C and the fourth bending surface D in the second direction; in the first bending process, the positions of the third bending surface C and the fourth bending surface D during bending should be simultaneously dislocated with the first bending surface a and the second bending surface B, so as to ensure that the third bending surface C and the fourth bending surface D are dislocated during folding and buckling with the first bending surface a and the second bending surface B during the second bending process, thereby avoiding position overlapping and incapability of folding and buckling. After the second bending process, in order to fix the structure of the formed power box sheet metal part 51, the formed power box sheet metal part 51 needs to be riveted, and the riveting process is to fixedly rivet the overlapping positions of the third bending surface C and the fourth bending surface D with the first bending surface a and the second bending surface B, so that the overall structure is fixed. In this embodiment, the first direction and the second direction are two stamping directions that are not overlapped and balanced with each other, and the first bending process and the second bending process are right-angle bending processes.

In this embodiment, in the processing of the third press module 6, a time difference is set between the second bending processing and the riveting processing, the second bending processing is performed first, and the riveting processing is performed after the second bending processing is completed.

A second bending treatment and riveting treatment process: the stamping driving device drives the third female die 31 arranged on the third upper die holder 15 to press downwards, and as the second inclined top avoiding bump 39 is arranged on the end face of the second convex seat 35 in a protruding manner, the second bending part 33 in the third female die 31 is firstly matched with the second inclined top avoiding bump 39 and is subjected to a second bending process to obtain a formed power box sheet metal part 51, wherein the second convex seat 35 does not displace in the second bending process; after the second bending treatment is completed, the third female die 31 continues to be pressed downwards, the second inclined ejection avoiding bump 39 slides downwards to the lowest end of the second inclined slot position 38 under the action of the third female die 31, the riveting top head 44 arranged on the second inclined ejection avoiding bump 39 also moves obliquely to the side of the formed sheet metal part, meanwhile, the stamping driving device synchronously drives the riveting stamping block 47 arranged on the third upper die holder 15 to impact the downward pressing riveting sliding stamping block 45 to enable the riveting sliding stamping block 45 to horizontally slide and link the riveting stamping head 43 and the riveting top head 44 located at the side of the formed sheet metal part to perform mutually matched riveting movement, so that a riveting treatment process is realized, in the riveting treatment process, a time difference is set for the displacement of the riveting stamping head 43 and the riveting top head 44, and after the riveting top head 44 moves to a set position, the riveting stamping head 43 is then in impact fit with the riveting top head 44 to perform riveting. In the second bending process and the caulking process, the press driving device drives the third upper die holder 15 and the third female die 31 provided in the third upper die holder 15 to be continuously pressed down without stopping.

In the material return process after the caulking process, the second elastic device 40 and the third elastic device 46 are provided to apply the return repulsive force to separate the caulking punch 43 and the caulking punch 44 from the caulking portion 54. The second inclined top avoiding bump 39 is arranged to be matched with the second bending portion 33 to complete bending in the second bending process, the second inclined top avoiding bump 39 provides a part of force for jacking the finished product power supply box sheet metal part 52 in the material returning process, and meanwhile, the second inclined top avoiding bump 39 can generate inclined avoiding displacement in the process of jacking the finished product power supply box sheet metal part 52 to provide avoiding space for the vertical lifting material returning of the uneven riveting portion 54, so that the finished product power supply box sheet metal part 52 is prevented from being clamped and cannot be returned.

In the prior art, a material returning mechanism for supporting the finished product power supply box sheet metal part 52 can be arranged in the middle of the base 36; the third elastic device 46 can be arranged by applying a spring and a directional guide post, and the stamping contact surfaces of the riveting stamping block 47 and the riveting sliding stamping block 45 can be arranged by applying a mutually matched inclined surface structure.

A sheet metal part positioning and guiding needle 48 which is arranged to protrude towards the female die plate 9 along the vertical direction is arranged between the second upper die holder 13 and the third upper die holder 15 on the male die plate 8. The sheet metal component is at conveyor 7's transportation process, and positional deviation may appear, influences the accuracy nature of follow-up location and processing, and in prior art applied, fixes a position through the sheet metal component location guide needle 48 that sets up, the guarantee machining precision to effectively avoid appearing the waste product.

The discharging end 3 is provided with a blanking conducting bar which is arranged obliquely downwards. Through the blanking conducting bar that sets up, can be convenient for collect finished product power pack sheet metal component 52, make things convenient for subsequent processing.

The preferred embodiment of the present invention is only listed in the present specification, and all the technical changes equivalent to those made under the working principle and thought of the present invention are considered as the protection scope of the present invention.

Claims (10)

1. The automatic forming device for the sheet metal part of the power supply box is characterized by comprising a rack (1), wherein a feeding end (2) and a discharging end (3) are arranged on the rack (1); the sheet metal part bending and riveting machine is characterized in that a first stamping module (4) used for performing blanking processing on a sheet metal part, a second stamping module (5) used for performing first bending processing on the sheet metal part and a third stamping module (6) used for performing second bending processing and riveting processing on the sheet metal part are sequentially arranged between the feed end (2) and the discharge end (3) on the rack (1).

2. The automatic forming device for the sheet metal parts of the power supply box according to claim 1, wherein a conveying device (7) for driving the sheet metal parts to pass through the first stamping module (4), the second stamping module (5) and the third stamping module (6) along the direction from the feeding end (2) to the discharging end (3) is arranged beside the rack (1).

3. The automatic forming device for the sheet metal parts of the power supply box according to claim 1, wherein the rack (1) comprises a male template (8), a female template (9) and a stamping driving device for driving the male template (8) and the female template (9) to perform reciprocating stamping motion in a machining and matching manner;

the first stamping module (4) comprises a first upper die holder (11) arranged on the male die plate (8) and a first lower die holder (12) arranged on the female die plate (9) and matched with the first upper die holder (11) in a machining mode;

the second stamping module (5) comprises a second upper die holder (13) arranged on the male die plate (8) and a second lower die holder (14) arranged on the female die plate (9) and matched with the second upper die holder (13) in a machining mode;

the third stamping module (6) comprises a third upper die holder (15) arranged on the male die plate (8) and a third lower die holder (16) arranged on the female die plate (9) and matched with the third upper die holder (15) in a machining mode;

the stamping driving device synchronously drives the first upper die holder (11), the second upper die holder (13) and the third upper die holder (15) to correspondingly match the first lower die holder (12), the second lower die holder (14) and the third lower die holder (16) to perform reciprocating stamping motion.

4. The automatic forming device for the sheet metal parts of the power supply box according to claim 3, wherein the first stamping module (4) further comprises a first male die (17) arranged on the first upper die holder (11) and a first female die (18) arranged on the first lower die holder (12) and matched with the first male die (17) in a blanking process;

first terrace die (17) include along vertical direction towards a plurality of punching press portion (19) that first die (18) protrusion was arranged, first die (18) including along punching press portion (19) punching press direction seted up with punching press portion (19) stamping forming complex a plurality of indent (20).

5. The automatic forming device for the sheet metal parts of the power supply box according to claim 3, wherein the second stamping module (5) further comprises a second female die (21) arranged on the second upper die holder (13) and a second male die (22) arranged on the second lower die holder (14) and matched with the second female die (21) in a first bending process;

second die (21) are including along two sets of first portions of bending (23) of arranging towards second die holder (14) protrusion in vertical direction, and are two sets of first portion of bending (23) have first cavity (24) between, second terrace die (22) are including corresponding first cavity (24) position along vertical direction protruding arranged with first protruding seat (25) of processing of bending are realized to second die (21) processing cooperation.

6. The automatic forming device for the sheet metal parts of the power supply box according to claim 5, the side wall of the first convex seat (25) and the first bending part (23) which are in bending fit is provided with a clearance groove (26), the clearance groove (26) is provided with a first inclined groove position (27) which is upward far away from the side wall, a first inclined top avoiding mechanism (28) for returning and avoiding sheet metal parts is arranged in the first inclined groove position (27) in the empty avoiding groove (26), the first inclined top avoiding mechanism (28) comprises a first inclined top avoiding lug (29) which is connected with the first bulge seat (25) in a sliding mode and is arranged on the end face of the first bulge seat (25) in a protruding mode, and a first elastic device (30) which is arranged at the bottom of the avoiding groove (26) and applies stamping resetting resilience force to the first inclined top avoiding lug (29) towards the direction of the second female die (21);

the stamping driving device drives the second upper die holder (13) to correspondingly cooperate with the second lower die holder (14) to do reciprocating stamping motion linkage, and the first inclined ejection avoiding lug (29) is in the first inclined slot position (27) and makes reciprocating inclined linear motion relative to the first bulge seat (25).

7. The automatic forming device for the sheet metal parts of the power supply box according to claim 3, wherein the third stamping module (6) further comprises a third female die (31) arranged on the third upper die holder (15) and a third male die (32) arranged on the third lower die holder (16) and matched with the third female die (31) in a second bending process;

third die (31) are including along vertical direction towards the convex two sets of second bending parts (33) of arranging of third die holder (16), and are two sets of second bending part (33) have second cavity (34) between, third terrace die (32) are including corresponding second cavity (34) position along vertical direction protruding arranged with the protruding seat of second (35) of processing cooperation realization sheet metal component both sides processing of third die (31) are bent.

8. The automatic forming device for the sheet metal parts of the power supply box according to claim 7, wherein the second protruding seat (35) comprises a base (36) arranged on the third lower die seat (16) and a second pitched roof avoiding mechanism (37) arranged on the base (36) and used for second bending processing and returning material avoiding of the sheet metal parts;

a second inclined groove (38) which is upward and far away from the side wall is arranged on the base (36) and is adjacent to the side wall which forms bending fit with the second bending part (33), and the second inclined roof avoiding mechanism (37) comprises a second inclined roof avoiding lug (39) which is connected with the second inclined groove (38) in a sliding way and is arranged on the end surface of the second bulge seat (35) in a protruding way and a second elastic device (40) which is arranged on the third lower die seat (16) and applies stamping resetting resilience force to the second inclined roof avoiding lug (39) towards the direction of the third female die (31);

the third upper die holder (15) is driven by the stamping driving device to correspondingly cooperate with the third lower die holder (16) to do reciprocating stamping motion to link the second inclined top avoiding lug (39) to do reciprocating inclined linear motion relative to the second bulge seat (35) at the second inclined slot position (38).

9. The automatic forming device for the sheet metal parts of the power supply box according to claim 8, wherein the third stamping module (6) further comprises a riveting mechanism (41) arranged on the third lower die holder (16) and used for riveting the sheet metal parts after the sheet metal parts are subjected to the second bending treatment, and a riveting stamping mechanism (42) arranged on the third upper die holder (15) and used for driving the riveting mechanism (41) to perform reciprocating riveting movement;

the riveting mechanism (41) comprises a riveting punch (43) which is arranged beside the second protruding seat (35) and corresponds to the second inclined top avoiding bump (39), and a riveting punch (44) which is arranged on the second inclined top avoiding bump (39) and forms punching riveting fit with the riveting punch (43), wherein one end, back to the riveting punch (44), of the riveting punch (43) is connected with a riveting sliding punch (45), and the riveting sliding punch (45) is also connected with a third elastic device (46) which is arranged on the third lower die seat (16) and exerts punching resetting resilience force towards the direction of the riveting sliding punch (45) away from the base (36);

the riveting stamping mechanism (42) comprises a riveting stamping block (47) fixedly arranged towards the riveting sliding stamping block (45) along the vertical direction;

the stamping driving device drives the third upper die holder (15) to be correspondingly matched with the third lower die holder (16) to do reciprocating stamping motion to drive the riveting stamping block (47) and the third female die (31) to respectively link the riveting sliding stamping block (45) and the second inclined top avoiding bump (39) to enable the riveting punch head (43) and the riveting punch head (44) to do reciprocating riveting motion matched with each other.

10. The automatic forming device for the sheet metal parts of the power supply box according to claim 3, wherein a sheet metal part positioning and guiding needle (48) which is arranged to protrude towards the female die plate (9) along a vertical direction is arranged on the male die plate (8) between the second upper die holder (13) and the third upper die holder (15).

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